Percival, A. S. (Archibald Stanley), 1862- · London ; New York [etc.] : Longmans, Green and Co. · leaf 31
duce to H. Make PZ> equal to HQ. JoinC^, cutting the diagonal PR in n ; draw na horizontal meeting QRin a, and ahdb is defined. When h is the given point, the first steps are these : join Ch andproduce to H. Make Vb equal to HQ, join Cb, cutting the diagonalin n, and continue as before. When a… … Fig. 14.Let PQRS be the direct square (Fig. 14), where PQ may beon G.L. or on any base line parallel to G.L. The method hererecommended is one that is based on that of the architect. The 28 architect first draws a plan of the square with its inscribed circle ;he then draws the diagonals of the…
Perspective
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